High-power Nd:YAG laser with birefringence compensation and adaptive HR mirror

Nicolas Kugler; Stefan Seidel; Horst Weber

doi:10.1117/12.334783

29 December 1998 High-power Nd:YAG laser with birefringence compensation and adaptive HR mirror

Nicolas Kugler, Stefan Seidel, Horst Weber

Proceedings Volume 3682, Laser Optics '98: Solid State Lasers; (1998) https://doi.org/10.1117/12.334783
Event: Laser Optics '98, 1998, St. Petersburg, Russian Federation

Abstract

In this article we describe an efficient method of the compensation of thermally induced birefringence in high power Nd:YAG rod lasers. Losses at a resonator internal polarizer due to depolarization in the rods are reduced, and a polarized cw laser with an output power of 300 W is realized. Resonators with a small stability range and therefore beam quality near the diffraction limit are introduced. To improve the variability and stability of such resonators an adaptive high reflecting mirror is used as resonator mirror. The maximum average output power of the resonator with adaptive mirror is 145 W at a beam quality of M² equalsV 2.

Citation Download Citation

Nicolas Kugler, Stefan Seidel, and Horst Weber "High-power Nd:YAG laser with birefringence compensation and adaptive HR mirror", Proc. SPIE 3682, Laser Optics '98: Solid State Lasers, (29 December 1998); https://doi.org/10.1117/12.334783

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